Pioneer DVR-231-S Service Manual page 67

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BD3823FV (JCKB ASSY : IC601)
• Audio Sound Processor
(Input Selector & VR)
Block Diagram
TE
L 13942296513
Pin Function
No. Pin Name
1 Front 1
2 Front 2
Tuner 1
3
Tuner 2
4
5 EXT 1
6 EXT 2
7 EXT 21
8 EXT 22
EXT 31
9
EXT32
10
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Function
Front input terminal of ch1
Front input terminal of ch2
Tuner input terminal of ch1
Tuner input terminal of ch2
External 1 input terminal of ch1
External 1 input terminal of ch2
External 2 input terminal of ch1
External 2 input terminal of ch2
External 3 input terminal of ch1
External 3 input terminal of ch2
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No. Pin Name
11 DGND
12
SDA
13 SCL
AGND
14
15 FILTER
16 VRR
17 VCC
18 OUT2
19 OUT1
SELECT
20
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DVR-231-S
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Function
Ground terminal
I2C BUS data terminal
I2C BUS clock terminal
Ground terminal
1/2VCC terminal
Ripple rejection filter terminal
Power supply terminal
Volume output terminal of ch2
Volume output terminal of ch1
Slave address select terminal
m
8
9 9
A
B
C
9 9
D
E
F
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